Java Array Join join(String[] strArr)

Description

join

License

Apache License

Parameter

Parameter	Description
strArr	a parameter

Declaration

public static String join(String[] strArr) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.util.List;

public class Main {
    /**//from  w w w . ja  v a2s. c  o m
     *
     * @param strArr
     * @return
     */
    public static String join(String[] strArr) {
        if (strArr == null)
            return null;
        StringBuilder ret = new StringBuilder();
        for (int i = 0, len = strArr.length; i < len; i++) {
            ret.append(strArr[i]);
            if (i < len - 1) {
                ret.append(",");
            }
        }
        return ret.toString();
    }

    /**
     *
     * @param strArr
     * @return
     */
    public static String join(List<String> strArr) {
        if (strArr == null)
            return null;
        StringBuilder ret = new StringBuilder();
        for (int i = 0, len = strArr.size(); i < len; i++) {
            ret.append(strArr.get(i));
            if (i < len - 1) {
                ret.append(",");
            }
        }
        return ret.toString();
    }
}

Related

1. join(String[] lines, String sep)
2. join(String[] lines, String separator)
3. join(String[] names, String sep)
4. join(String[] parts, String separator)
5. join(String[] sentence, String separator)
6. join(String[] strArray, String delimiter)
7. join(String[] stringArray, boolean quote, String glue)
8. join(String[] stringArray, String delimiter)
9. join(String[] stringArray, String delimiterString, boolean joinNullValues)